MAINTENANCE BATTERY CHARGER
12 Volt / 2 Amp Output
94533
OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright© 2006 by Harbor FreightTools®. All rights reserved.No portion of this instruction
sheet or any artwork contained herein may be reproduced in any shape or form without
the express written consent of Harbor Freight Tools.
For technical questions, please call 1-800-444-3353.
SAVE THESE INSTRUCTIONS
SAFETY WARNINGS AND PRECAUTIONS
1. Always wear ANSI-approved safety impact eye goggles during setup or use.
2. Maintain a safe working environment. Always keep the work area free of obstruc-
tions, grease, oil, trash, and other debris. Do not use this product in areas near
flammable chemicals, dust, and vapors.
3. Read and understand all instructions and safety precautions as outlined in the
manufacturer’s manual of the battery with which this product will be used.
4. FIRE HAZARD! Never allow the red and black Battery Clamps to touch each
other or the same metal object.
5. WARNING! Lead acid batteries generate hydrogen gas during normal operation,
and even more gas is generated when the battery is charging. Hydrogen gas is
explosive and highly flammable. Never smoke near a charging battery.
6. Plug the Charger into its electrical outlet only after it is connected to the
vehicle’s battery.
7. Do not attempt to start a vehicle with the Charger connected to its battery.
8. WARNING! If battery fluid comes in contact with skin, wash with soap and water and
rinse with lemon juice and vinegar. If the fluid comes into contact with eyes, flush
with water for several minutes and contact a physician immediately. Never burn a
battery as it can explode in a fire. Do not attempt to charge a leaking battery.
9. WARNING! People with pacemakers should consult their physician(s) before using
this product. Electromagnetic fields in close proximity to a heart pacemaker could
cause interference or failure of the pacemaker. In addition, people with pacemakers
should adhere to the following: Caution is necessary when near the coil, spark plug
wires, or distributor of a running engine.
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To Charge A Battery Using The Ring Connectors:
4
6
5
1
3
2
1. Make sure the transmission of the vehicle is in “PARK” and the emergency brake
has been set. Also, turn off the engine of the vehicle prior to connecting the Battery
Charger to the battery of the vehicle.
2. Attach the RED/POSITIVE (+) Ring Connector of the Permanent Connection Cord
(4) to the POSITIVE battery terminal of the vehicle.
3. Attach the BLACK/NEGATIVE (–) Ring Connector of the Permanent Connection
Cord (4) to the NEGATIVE battery terminal of the vehicle.
4. Unplug the Connection Cord Cap (5) from the Permanent Connection Cord (4).
5. Connect the Permanent Connection Cord (4) to the Output Cord (3) of the Battery
Charger.
6. Plug the Power Cord (2) of the Battery Charger into the nearest 120 volt, grounded,
electrical outlet.
7. The RED (AC Power) light on the Main Unit (1) of the Battery Charger should be
illuminated. This light indicates the Main Unit is receiving 120 volt electrical power
from the electrical outlet.
8. The YELLOW (Charging) light on the Main Unit (1) of the Battery Charger should
be illuminated. This light indicates charging is taking place.
9. The GREEN (Charged) light on the Main Unit (1) of the Battery Charger will illuminate
when the vehicles’ battery is fully charged.
10. Once the vehicle’s battery is fully charged, unplug the Power Cord (2) from its 120
volt electrical outlet. Disconnect the Permanent Connection Cord (4) from the Output
Cord (3) of the Battery Charger.
NOTE: If desired, the Battery Charger may be left connected to maintain the battery’s
charge.
11. Plug the Connection Cord Cap (5) back into the Permanent Connection Cord (4).
This allows you to leave the Permanent Connection Cord attached to the vehicle’s
battery. Always make sure the Permanent Connection Cord is positioned away
from hot or moving parts of the vehicle’s engine.
12. Make sure to store all parts (except the Permanent Connection Cord) in a clean, dry,
safe location out of reach of children.
SKU 94533
For technical questions, please call 1-800-444-3353
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PAGE 3
TROUBLESHOOTING
1. Problem: The Battery Charger is plugged into an electrical outlet, but no lights on
the Main Unit (1) are illuminated.
2. Possible Solutions:
A. Check to make sure the Power Cord (2) is properly plugged into a working 120
volt, grounded electrical outlet.
B. Check to make sure the connections to the vehicle’s battery posts are secure.
C. Open the Fuse Holder (6) to inspect the 3 AMP Fuse (7). If necessary, replace
the Fuse.
PARTS LIST & ASSEMBLY DIAGRAM
Part
Description
Main Unit
Qty.
1
Part
Description
Connection Cord Cap
Fuse Holder
Qty.
1
1
2
3
4
5
6
7
8
Power Cord
Output Cord
1
1
1
3 Amp Fuse
1
Permanent Connection
Cord
1
Temporary Connection
Cord
1
To Charge A Battery Using The Battery Clamps
8
1
3
2
7
(Not Shown)
To Charge A Battery Using The Screw Connectors
4
6
5
1
3
2
NOTE: NO REPLACEMENT PARTS ARE AVAILABLE FOR THIS PRODUCT.
SKU 94533
For technical questions, please call 1-800-444-3353
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PAGE 4
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIA-
GRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANU-
FACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY
OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO REPLACE ANY
PARTS OFTHE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR
EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD
BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY
THE BUYER. THE BUYER ASSUMES ALL RISKS AND LIABILITY ARISING OUT OF
HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT
PARTS THERETO.
Limited 90 day warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for
the period of ninety days from the date of purchase. This warranty does not apply to damage due directly or
indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, or to lack of
maintenance.We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent,
special or consequential damages arising from the use of our product. Some states do not allow the exclusion or
limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you.THiS
WarranTy iS expreSSly in lieu oF all oTHer WarranTieS, expreSS or implied, inCluding
THe WarranTieS oF merCHanTabiliTy and FiTneSS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid.
proof of purchase date and an explanation of the complaint must accompany the merchandise. if our inspection
verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase
price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of
our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
SKU 94533
For technical questions, please call 1-800-444-3353
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